Apparatus, systems, and methods for percutaneous valve replacement and/or augmentation are provided. The apparatus includes a valve having a valve frame, a valve leaflet coupled to the valve frame, and a leaflet transition member coupled to the valve leaflet. The valve leaflet and leaflet transition...http://www.google.fr/patents/US7967853?utm_source=gb-gplus-shareBrevet US7967853 - Percutaneous valve, system and method